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- geomagnetic variation field 地球变化磁场
- variation field dynamic programming 变域动态规划
- solar quiet daily variation field 太阳静日变化场
- Normal annual variation field(NAVF) 年变基准场
- The geomagnetic variation and the index of distinguishing anomaly before earthquake in Guangdong and its vicinitys 广东及邻区地震前地磁变化和异常判别指标
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- The study on variation regularity of geomagnetic field is fundamental to pick up seismic and geomagnetic precursors. 对地磁场变化规律性的研究是提取地震地磁前兆的基础。
- This paper introduces the formation of magnetic field, polarity reversal, secular variation and the use of geomagnetic polarity reversal or susceptibility in stratigraphic study. 摘要本文介绍了地球磁场的成因、极性变化以及运用极性倒转划分对比地层和指示环境。
- Prices have not shown much variation this year. 今年物价没显出多大变化。
- The geomagnetic field varies continuously. 地磁场不断地发生变化。
- The crowd cheered as the teams entered the field. 球队入场时观众们为之欢呼。
- geomagnetic variation 地磁变化
- On the map the drains of each field are laid sown. 地图上标有每一块地的排水沟。
- transient geomagnetic variation 瞬地磁变
- Right-handed batters usually hit to left field. 右撇子击球手把球打到左外野。
- Unusual geomagnetic variation 地磁异常
- The runaway horse was cornered in a field. 那匹跑掉的马在田地里被圈住了。
- Prices are subject to variation. 价格可以变动。
- Tent is used by camper and by soldier in the field. 露营的人和战地的士兵用帐篷。
- The children had a field day with their new toys. 孩子们玩新玩具玩得十分开心。